Application and Systems Administrator

Description

Job Description:

The Defense Group at Leidos has an opening for an Application and Systems Administrator for the Global Solutions Management – Operations II (GSM-O II) contract. This contract includes the Operations, Sustainment, Maintenance, Repair and Defense of the Defense Information System Network (DISN) within the DOD Information Network (DODIN) in support of the Defense Information Systems Agency (DISA). This role is primarily remote, but candidates must be within commuting distance to Scott AFB, IL and Ft. Meade, MD for on-site support.

Primary Responsibilities

• Provides support to ensure the reliability, availability and security of the solution by proactively monitoring the system, troubleshooting, and resolving issues to ensure high availability and continuity of operations.

• Maintains configuration management and baseline control of development, test, pre-production and production environments.

• Conducts regular application and system security scans, analyze results and implement resolutions including testing of new hardware and software and ensure compliance with DISA STIGs.

• Maintains the solution, including patching of operating systems and COTS/FOSS/GOTS applications.

• Completes and tests regular backups.

• Monitors and tunes system and network performance for optimal system availability.

• Configures and maintains components of the solution (application servers, load balancers, databases, operating systems, etc.)

• Deploys systems in the Lab environment, integrates with other systems, perform testing and validation.

• Tracks and maintains configuration items including licenses, SSL certificates and the hardware/software baseline.

• Supports baseline deployments, upgrades and updates to the production environment including the installation and configuration of new software and hardware.

• Creates, maintains and implements detailed documentation and maintain standard operating procedures as needed.

• Works with network engineers and developers to troubleshoot environment issues as necessary.

• Provides access including creation and management of user and service accounts.

• Provide support on a M-F business hours schedule, also responsible for on-call, extended hour, and weekend support as required by mission or emergency situations.

Basic Qualifications

• Bachelor's degree in Information Technology, Computer Science or a relevant technical discipline and 2+ years of relevant experience; Additional experience, education and training may be considered in lieu of degree.

• Active Secret with SSBI or Top Secret security clearance.

• Ability to obtain Security+ certification or equivalent DoD 8570 IAT II certification within 60 days of start date.

• Experience installing, managing and maintaining RHEL 7 Linux servers

• Experience installing, configuring, securing, deploying, managing, monitoring and maintaining a variety of complex software products across multiple environments.

• Experience with scripting in Bash and experience in other languages such as Perl or Python

• Knowledge of TCP/IP networking.

• Application and configuration of security settings and other IA best practices, such as those as required by DISA STIGs and SRGs

• Ability to work independently in a fast-paced environment.

Preferred Qualifications

• Experience managing and using Ansible automation tools

• Knowledge of Git and the Git version control model

• Understanding of PostgreSQL, including monitoring, managing and maintaining replicated databases

• Experience with a ticketing system such as BMC Remedy and/or Atlassian JIRA

• Experience administering and configuring Windows Server 2012 R2 or higher

Pay Range:

#Remote